Patents by Inventor Dongkook Jang

Dongkook Jang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Recycled construction material made from fire-resistant styrofoam waste and method for preparing same
    Publication number: 20130225702
    Abstract: The present invention relates to construction material obtained by recycling fire-resistant Styrofoam waste, and to a method for preparing same. The present invention relates to recycled construction material made from fire-resistant Styrofoam waste, which is prepared by: mixing water, liquid soap, and a mixture consisting of 2 to 8 wt % of fire-resistant Styrofoam waste, 50 to 70 wt % of cement, 20 to 30 wt % of steel sludge, and 5 to 10 wt % of pearlite; and injection-molding or compression-molding the resultant mixture.
    Type: Application
    Filed: October 28, 2011
    Publication date: August 29, 2013
    Inventor: Dongkook Jang